/*
 *  Shared Memory Communications over RDMA (SMC-R) and RoCE
 *
 *  Definitions for LLC (link layer control) message handling
 *
 *  Copyright IBM Corp. 2016
 *
 *  Author(s):  Klaus Wacker <Klaus.Wacker@de.ibm.com>
 *              Ursula Braun <ubraun@linux.vnet.ibm.com>
 */

#ifndef SMC_LLC_H
#define SMC_LLC_H

#include "smc_wr.h"

#define SMC_LLC_FLAG_RESP		0x80

#define SMC_LLC_WAIT_FIRST_TIME		(5 * HZ)

enum smc_llc_reqresp {
	SMC_LLC_REQ,
	SMC_LLC_RESP
};

enum smc_llc_msg_type {
	SMC_LLC_CONFIRM_LINK		= 0x01,
};

#define SMC_LLC_DATA_LEN		40

struct smc_llc_hdr {
	struct smc_wr_rx_hdr common;
	u8 length;	/* 44 */
	u8 reserved;
	u8 flags;
};

struct smc_llc_msg_confirm_link {	/* type 0x01 */
	struct smc_llc_hdr hd;
	u8 sender_mac[ETH_ALEN];
	u8 sender_gid[SMC_GID_SIZE];
	u8 sender_qp_num[3];
	u8 link_num;
	u8 link_uid[SMC_LGR_ID_SIZE];
	u8 max_links;
	u8 reserved[9];
};

union smc_llc_msg {
	struct smc_llc_msg_confirm_link confirm_link;
	struct {
		struct smc_llc_hdr hdr;
		u8 data[SMC_LLC_DATA_LEN];
	} raw;
};

/* transmit */
int smc_llc_send_confirm_link(struct smc_link *lnk, u8 mac[], union ib_gid *gid,
			      enum smc_llc_reqresp reqresp);
int smc_llc_init(void) __init;

#endif /* SMC_LLC_H */
ump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/net/tipc/msg.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/net/tipc/msg.h?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/tipc/msg.h?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/tipc/msg.h?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/tipc/msg.h'>
<input type='hidden' name='id' value='1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/tipc?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>tipc</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/tipc/msg.h?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6'>msg.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/tipc/msg.h?id=1aa6cfd33df492939b0be15ebdbcff1f8ae5ddb6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
move&amp;id=91eaa475e287e7cf87959d68fb273e4f092897f4'>.gitignore</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/virtio/.gitignore?h=nds-private-remove&amp;id=91eaa475e287e7cf87959d68fb273e4f092897f4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>